Home / 15,175,087.98-20,942,166.51-8,649,702.06

Finding the Fourth Proportional to 15,175,087.98, 20,942,166.51 and 8,649,702.06

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Solution

The fourth proportional to 15,175,087.98, 20,942,166.51 and 8,649,702.06 is: 11,936,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175,087.98 : 20,942,166.51 = 8,649,702.06 : x
  2. Step 2: Convert to fraction form
    15,175,087.98/20,942,166.51 = 8,649,702.06/x
  3. Step 3: Cross multiply
    15,175,087.98x = 20,942,166.51 × 8,649,702.06
  4. Step 4: Simplify right side
    15,175,087.98x = 181,143,500,802,410.03
  5. Step 5: Solve for x
    x = 181,143,500,802,410.03/15,175,087.98
  6. Step 6: Final answer
    x = 11,936,899.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.